yii\console\controllers\AssetController::actionTemplate PHP Method

    public function actionTemplate($configFile)
    {
        $jsCompressor = VarDumper::export($this->jsCompressor);
        $cssCompressor = VarDumper::export($this->cssCompressor);
        $template = <<<EOD
<?php
/**
 * Configuration file for the "yii asset" console command.
 */

// In the console environment, some path aliases may not exist. Please define these:
// Yii::setAlias('@webroot', __DIR__ . '/../web');
// Yii::setAlias('@web', '/');

return [
    // Adjust command/callback for JavaScript files compressing:
    'jsCompressor' => {$jsCompressor},
    // Adjust command/callback for CSS files compressing:
    'cssCompressor' => {$cssCompressor},
    // Whether to delete asset source after compression:
    'deleteSource' => false,
    // The list of asset bundles to compress:
    'bundles' => [
        // 'app\\assets\\AppAsset',
        // 'yii\\web\\YiiAsset',
        // 'yii\\web\\JqueryAsset',
    ],
    // Asset bundle for compression output:
    'targets' => [
        'all' => [
            'class' => 'yii\\web\\AssetBundle',
            'basePath' => '@webroot/assets',
            'baseUrl' => '@web/assets',
            'js' => 'js/all-{hash}.js',
            'css' => 'css/all-{hash}.css',
        ],
    ],
    // Asset manager configuration:
    'assetManager' => [
        //'basePath' => '@webroot/assets',
        //'baseUrl' => '@web/assets',
    ],
];
EOD;
        if (file_exists($configFile)) {
            if (!$this->confirm("File '{$configFile}' already exists. Do you wish to overwrite it?")) {
                return self::EXIT_CODE_NORMAL;
            }
        }
        if (!file_put_contents($configFile, $template)) {
            throw new Exception("Unable to write template file '{$configFile}'.");
        } else {
            $this->stdout("Configuration file template created at '{$configFile}'.\n\n", Console::FG_GREEN);
            return self::EXIT_CODE_NORMAL;
        }
    }